– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Tue 25 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Tue 25 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Tue 25 Aug Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 2mm), mostly falling on Thu afternoon. Warm (max 23°C on Wed afternoon, min 13°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 26mm), heaviest during Mon afternoon. Very mild (max 17°C on Sun afternoon, min 11°C on Fri night). Wind will be generally light. | |||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | |  |  | |  |  | | | | | |  |  |  | |
clear | clear | clear | some clouds | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | some clouds | cloudy | cloudy | |
Cloud base (m) | 7100 | 800 | 1900 | 1750 | 750 | 700 | 1550 | 750 | 650 | 1850 | 1650 | 1800 | 2950 | |||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | 0.3 | 0.6 | 0.1 | 0.4 | 0.7 | 1.3 | 0.3 | 0.4 | 0.3 | — | — | — |
max °C | 22 | 21 | 23 | 19 | 15 | 19 | 16 | 13 | 16 | 14 | 11 | 14 | 13 | 15 | 17 | 15 |
min °C | 16 | 18 | 23 | 15 | 15 | 18 | 13 | 13 | 14 | 11 | 11 | 12 | 11 | 12 | 17 | 14 |
chill °C | 16 | 18 | 23 | 15 | 15 | 18 | 13 | 13 | 14 | 11 | 11 | 12 | 11 | 12 | 17 | 14 |
Freezing level m | 4000 | 4000 | 3900 | 3450 | 2950 | 2900 | 2900 | 2850 | 2850 | 2550 | 2500 | 2900 | 3300 | 3500 | 3300 | 3100 |
 | — | 6:15 | — | — | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — |
 | — | — | — | 8:01 | — | — | 8:00 | — | 7:58 | — | — | 7:55 | — | — | 7:53 | — |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 2mm), mostly falling on Thu afternoon. Warm (max 23°C on Wed afternoon, min 13°C on Thu night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 26mm), heaviest during Mon afternoon. Very mild (max 17°C on Sun afternoon, min 11°C on Fri night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.